content: /*
   * 支付宝开放平台API
   * 支付宝开放平台v3协议文档
   *
   * The version of the OpenAPI document: 2025-08-26
   * 
   *
   * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
   * https://openapi-generator.tech
   * Do not edit the class manually.
   */
  
  
  package com.alipay.v3.model;
  
  import java.util.Objects;
  import java.util.Arrays;
  import com.alipay.v3.model.EinvTrade;
  import com.google.gson.TypeAdapter;
  import com.google.gson.annotations.JsonAdapter;
  import com.google.gson.annotations.SerializedName;
  import com.google.gson.stream.JsonReader;
  import com.google.gson.stream.JsonWriter;
  import io.swagger.annotations.ApiModel;
  import io.swagger.annotations.ApiModelProperty;
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  
  import com.google.gson.Gson;
  import com.google.gson.GsonBuilder;
  import com.google.gson.JsonArray;
  import com.google.gson.JsonDeserializationContext;
  import com.google.gson.JsonDeserializer;
  import com.google.gson.JsonElement;
  import com.google.gson.JsonObject;
  import com.google.gson.JsonParseException;
  import com.google.gson.TypeAdapterFactory;
  import com.google.gson.reflect.TypeToken;
  
  import java.lang.reflect.Type;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Map.Entry;
  import java.util.Set;
  
  import com.alipay.v3.JSON;
  
  /**
   * InvoiceElementModel
   */
  @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen")
  public class InvoiceElementModel {
    public static final String SERIALIZED_NAME_EXPENSE_STATUS = "expense_status";
    @SerializedName(SERIALIZED_NAME_EXPENSE_STATUS)
    private String expenseStatus;
  
    public static final String SERIALIZED_NAME_EXTEND_FIELDS = "extend_fields";
    @SerializedName(SERIALIZED_NAME_EXTEND_FIELDS)
    private String extendFields;
  
    public static final String SERIALIZED_NAME_FAKE_CODE = "fake_code";
    @SerializedName(SERIALIZED_NAME_FAKE_CODE)
    private String fakeCode;
  
    public static final String SERIALIZED_NAME_FILE_TYPE = "file_type";
    @SerializedName(SERIALIZED_NAME_FILE_TYPE)
    private String fileType;
  
    public static final String SERIALIZED_NAME_HAS_PDF_FILE = "has_pdf_file";
    @SerializedName(SERIALIZED_NAME_HAS_PDF_FILE)
    private Boolean hasPdfFile;
  
    public static final String SERIALIZED_NAME_HAS_RISK = "has_risk";
    @SerializedName(SERIALIZED_NAME_HAS_RISK)
    private Boolean hasRisk;
  
    public static final String SERIALIZED_NAME_INVOICE_AMOUNT = "invoice_amount";
    @SerializedName(SERIALIZED_NAME_INVOICE_AMOUNT)
    private String invoiceAmount;
  
    public static final String SERIALIZED_NAME_INVOICE_CODE = "invoice_code";
    @SerializedName(SERIALIZED_NAME_INVOICE_CODE)
    private String invoiceCode;
  
    public static final String SERIALIZED_NAME_INVOICE_DATE = "invoice_date";
    @SerializedName(SERIALIZED_NAME_INVOICE_DATE)
    private String invoiceDate;
  
    public static final String SERIALIZED_NAME_INVOICE_IMG_URL = "invoice_img_url";
    @SerializedName(SERIALIZED_NAME_INVOICE_IMG_URL)
    private String invoiceImgUrl;
  
    public static final String SERIALIZED_NAME_INVOICE_KIND = "invoice_kind";
    @SerializedName(SERIALIZED_NAME_INVOICE_KIND)
    private String invoiceKind;
  
    public static final String SERIALIZED_NAME_INVOICE_NO = "invoice_no";
    @SerializedName(SERIALIZED_NAME_INVOICE_NO)
    private String invoiceNo;
  
    public static final String SERIALIZED_NAME_INVOICE_STATUS = "invoice_status";
    @SerializedName(SERIALIZED_NAME_INVOICE_STATUS)
    private String invoiceStatus;
  
    public static final String SERIALIZED_NAME_ISV_CONTACT = "isv_contact";
    @SerializedName(SERIALIZED_NAME_ISV_CONTACT)
    private String isvContact;
  
    public static final String SERIALIZED_NAME_ISV_NAME = "isv_name";
    @SerializedName(SERIALIZED_NAME_ISV_NAME)
    private String isvName;
  
    public static final String SERIALIZED_NAME_LOGO_URL = "logo_url";
    @SerializedName(SERIALIZED_NAME_LOGO_URL)
    private String logoUrl;
  
    public static final String SERIALIZED_NAME_M_NAME = "m_name";
    @SerializedName(SERIALIZED_NAME_M_NAME)
    private String mName;
  
    public static final String SERIALIZED_NAME_OUT_TAX_AMOUNT = "out_tax_amount";
    @SerializedName(SERIALIZED_NAME_OUT_TAX_AMOUNT)
    private String outTaxAmount;
  
    public static final String SERIALIZED_NAME_PAYEE_NAME = "payee_name";
    @SerializedName(SERIALIZED_NAME_PAYEE_NAME)
    private String payeeName;
  
    public static final String SERIALIZED_NAME_PAYEE_TAX_NO = "payee_tax_no";
    @SerializedName(SERIALIZED_NAME_PAYEE_TAX_NO)
    private String payeeTaxNo;
  
    public static final String SERIALIZED_NAME_PAYER_NAME = "payer_name";
    @SerializedName(SERIALIZED_NAME_PAYER_NAME)
    private String payerName;
  
    public static final String SERIALIZED_NAME_PAYER_TAX_NO = "payer_tax_no";
    @SerializedName(SERIALIZED_NAME_PAYER_TAX_NO)
    private String payerTaxNo;
  
    public static final String SERIALIZED_NAME_PDF_URL = "pdf_url";
    @SerializedName(SERIALIZED_NAME_PDF_URL)
    private String pdfUrl;
  
    public static final String SERIALIZED_NAME_SOURCE = "source";
    @SerializedName(SERIALIZED_NAME_SOURCE)
    private String source;
  
    public static final String SERIALIZED_NAME_TRADE_LIST = "trade_list";
    @SerializedName(SERIALIZED_NAME_TRADE_LIST)
    private List<EinvTrade> tradeList = null;
  
    public static final String SERIALIZED_NAME_TRADE_MATCH_RESULT = "trade_match_result";
    @SerializedName(SERIALIZED_NAME_TRADE_MATCH_RESULT)
    private String tradeMatchResult;
  
    public InvoiceElementModel() { 
    }
  
    public InvoiceElementModel expenseStatus(String expenseStatus) {
      
      this.expenseStatus = expenseStatus;
      return this;
    }
  
     /**
     * 发票报销状态
     * @return expenseStatus
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "发票报销状态")
  
    public String getExpenseStatus() {
      return expenseStatus;
    }
  
  
    public void setExpenseStatus(String expenseStatus) {
      this.expenseStatus = expenseStatus;
    }
  
  
    public InvoiceElementModel extendFields(String extendFields) {
      
      this.extendFields = extendFields;
      return this;
    }
  
     /**
     * 扩展字段
     * @return extendFields
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "扩展字段")
  
    public String getExtendFields() {
      return extendFields;
    }
  
  
    public void setExtendFields(String extendFields) {
      this.extendFields = extendFields;
    }
  
  
    public InvoiceElementModel fakeCode(String fakeCode) {
      
      this.fakeCode = fakeCode;
      return this;
    }
  
     /**
     * 防伪校验码
     * @return fakeCode
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "防伪校验码")
  
    public String getFakeCode() {
      return fakeCode;
    }
  
  
    public void setFakeCode(String fakeCode) {
      this.fakeCode = fakeCode;
    }
  
  
    public InvoiceElementModel fileType(String fileType) {
      
      this.fileType = fileType;
      return this;
    }
  
     /**
     * 发票原始文件文件类型
     * @return fileType
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "发票原始文件文件类型")
  
    public String getFileType() {
      return fileType;
    }
  
  
    public void setFileType(String fileType) {
      this.fileType = fileType;
    }
  
  
    public InvoiceElementModel hasPdfFile(Boolean hasPdfFile) {
      
      this.hasPdfFile = hasPdfFile;
      return this;
    }
  
     /**
     * 发票是否有pdf文件
     * @return hasPdfFile
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "发票是否有pdf文件")
  
    public Boolean getHasPdfFile() {
      return hasPdfFile;
    }
  
  
    public void setHasPdfFile(Boolean hasPdfFile) {
      this.hasPdfFile = hasPdfFile;
    }
  
  
    public InvoiceElementModel hasRisk(Boolean hasRisk) {
      
      this.hasRisk = hasRisk;
      return this;
    }
  
     /**
     * 该发票可能存在异常，请核实后使用  true:无异常  false:存在异常
     * @return hasRisk
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "该发票可能存在异常，请核实后使用  true:无异常  false:存在异常")
  
    public Boolean getHasRisk() {
      return hasRisk;
    }
  
  
    public void setHasRisk(Boolean hasRisk) {
      this.hasRisk = hasRisk;
    }
  
  
    public InvoiceElementModel invoiceAmount(String invoiceAmount) {
      
      this.invoiceAmount = invoiceAmount;
      return this;
    }
  
     /**
     * 发票金额，含税，单位元
     * @return invoiceAmount
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "发票金额，含税，单位元")
  
    public String getInvoiceAmount() {
      return invoiceAmount;
    }
  
  
    public void setInvoiceAmount(String invoiceAmount) {
      this.invoiceAmount = invoiceAmount;
    }
  
  
    public InvoiceElementModel invoiceCode(String invoiceCode) {
      
      this.invoiceCode = invoiceCode;
      return this;
    }
  
     /**
     * 发票代码
     * @return invoiceCode
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "发票代码")
  
    public String getInvoiceCode() {
      return invoiceCode;
    }
  
  
    public void setInvoiceCode(String invoiceCode) {
      this.invoiceCode = invoiceCode;
    }
  
  
    public InvoiceElementModel invoiceDate(String invoiceDate) {
      
      this.invoiceDate = invoiceDate;
      return this;
    }
  
     /**
     * 开票日期
     * @return invoiceDate
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "开票日期")
  
    public String getInvoiceDate() {
      return invoiceDate;
    }
  
  
    public void setInvoiceDate(String invoiceDate) {
      this.invoiceDate = invoiceDate;
    }
  
  
    public InvoiceElementModel invoiceImgUrl(String invoiceImgUrl) {
      
      this.invoiceImgUrl = invoiceImgUrl;
      return this;
    }
  
     /**
     * 发票pdf文件转换后jpg预览地址
     * @return invoiceImgUrl
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "发票pdf文件转换后jpg预览地址")
  
    public String getInvoiceImgUrl() {
      return invoiceImgUrl;
    }
  
  
    public void setInvoiceImgUrl(String invoiceImgUrl) {
      this.invoiceImgUrl = invoiceImgUrl;
    }
  
  
    public InvoiceElementModel invoiceKind(String invoiceKind) {
      
      this.invoiceKind = invoiceKind;
      return this;
    }
  
     /**
     * 发票类型
     * @return invoiceKind
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "发票类型")
  
    public String getInvoiceKind() {
      return invoiceKind;
    }
  
  
    public void setInvoiceKind(String invoiceKind) {
      this.invoiceKind = invoiceKind;
    }
  
  
    public InvoiceElementModel invoiceNo(String invoiceNo) {
      
      this.invoiceNo = invoiceNo;
      return this;
    }
  
     /**
     * 发票号码
     * @return invoiceNo
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "发票号码")
  
    public String getInvoiceNo() {
      return invoiceNo;
    }
  
  
    public void setInvoiceNo(String invoiceNo) {
      this.invoiceNo = invoiceNo;
    }
  
  
    public InvoiceElementModel invoiceStatus(String invoiceStatus) {
      
      this.invoiceStatus = invoiceStatus;
      return this;
    }
  
     /**
     * 发票状态　
     * @return invoiceStatus
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "发票状态　")
  
    public String getInvoiceStatus() {
      return invoiceStatus;
    }
  
  
    public void setInvoiceStatus(String invoiceStatus) {
      this.invoiceStatus = invoiceStatus;
    }
  
  
    public InvoiceElementModel isvContact(String isvContact) {
      
      this.isvContact = isvContact;
      return this;
    }
  
     /**
     * 服务商联系方式
     * @return isvContact
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "服务商联系方式")
  
    public String getIsvContact() {
      return isvContact;
    }
  
  
    public void setIsvContact(String isvContact) {
      this.isvContact = isvContact;
    }
  
  
    public InvoiceElementModel isvName(String isvName) {
      
      this.isvName = isvName;
      return this;
    }
  
     /**
     * 服务商名称
     * @return isvName
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "服务商名称")
  
    public String getIsvName() {
      return isvName;
    }
  
  
    public void setIsvName(String isvName) {
      this.isvName = isvName;
    }
  
  
    public InvoiceElementModel logoUrl(String logoUrl) {
      
      this.logoUrl = logoUrl;
      return this;
    }
  
     /**
     * logo地址
     * @return logoUrl
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "logo地址")
  
    public String getLogoUrl() {
      return logoUrl;
    }
  
  
    public void setLogoUrl(String logoUrl) {
      this.logoUrl = logoUrl;
    }
  
  
    public InvoiceElementModel mName(String mName) {
      
      this.mName = mName;
      return this;
    }
  
     /**
     * 商户全称
     * @return mName
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "商户全称")
  
    public String getmName() {
      return mName;
    }
  
  
    public void setmName(String mName) {
      this.mName = mName;
    }
  
  
    public InvoiceElementModel outTaxAmount(String outTaxAmount) {
      
      this.outTaxAmount = outTaxAmount;
      return this;
    }
  
     /**
     * 发票金额，不含税，单位元
     * @return outTaxAmount
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "发票金额，不含税，单位元")
  
    public String getOutTaxAmount() {
      return outTaxAmount;
    }
  
  
    public void setOutTaxAmount(String outTaxAmount) {
      this.outTaxAmount = outTaxAmount;
    }
  
  
    public InvoiceElementModel payeeName(String payeeName) {
      
      this.payeeName = payeeName;
      return this;
    }
  
     /**
     * 销方名称
     * @return payeeName
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "销方名称")
  
    public String getPayeeName() {
      return payeeName;
    }
  
  
    public void setPayeeName(String payeeName) {
      this.payeeName = payeeName;
    }
  
  
    public InvoiceElementModel payeeTaxNo(String payeeTaxNo) {
      
      this.payeeTaxNo = payeeTaxNo;
      return this;
    }
  
     /**
     * 销方税号
     * @return payeeTaxNo
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "销方税号")
  
    public String getPayeeTaxNo() {
      return payeeTaxNo;
    }
  
  
    public void setPayeeTaxNo(String payeeTaxNo) {
      this.payeeTaxNo = payeeTaxNo;
    }
  
  
    public InvoiceElementModel payerName(String payerName) {
      
      this.payerName = payerName;
      return this;
    }
  
     /**
     * 购方名称
     * @return payerName
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "购方名称")
  
    public String getPayerName() {
      return payerName;
    }
  
  
    public void setPayerName(String payerName) {
      this.payerName = payerName;
    }
  
  
    public InvoiceElementModel payerTaxNo(String payerTaxNo) {
      
      this.payerTaxNo = payerTaxNo;
      return this;
    }
  
     /**
     * 购方税号
     * @return payerTaxNo
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "购方税号")
  
    public String getPayerTaxNo() {
      return payerTaxNo;
    }
  
  
    public void setPayerTaxNo(String payerTaxNo) {
      this.payerTaxNo = payerTaxNo;
    }
  
  
    public InvoiceElementModel pdfUrl(String pdfUrl) {
      
      this.pdfUrl = pdfUrl;
      return this;
    }
  
     /**
     * PDF的下载链接
     * @return pdfUrl
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "PDF的下载链接")
  
    public String getPdfUrl() {
      return pdfUrl;
    }
  
  
    public void setPdfUrl(String pdfUrl) {
      this.pdfUrl = pdfUrl;
    }
  
  
    public InvoiceElementModel source(String source) {
      
      this.source = source;
      return this;
    }
  
     /**
     * 表示发票来源，由发票回传方带入。例如：bz_gd，bz_ele，bz_tmall等
     * @return source
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "表示发票来源，由发票回传方带入。例如：bz_gd，bz_ele，bz_tmall等")
  
    public String getSource() {
      return source;
    }
  
  
    public void setSource(String source) {
      this.source = source;
    }
  
  
    public InvoiceElementModel tradeList(List<EinvTrade> tradeList) {
      
      this.tradeList = tradeList;
      return this;
    }
  
    public InvoiceElementModel addTradeListItem(EinvTrade tradeListItem) {
      if (this.tradeList == null) {
        this.tradeList = new ArrayList<>();
      }
      this.tradeList.add(tradeListItem);
      return this;
    }
  
     /**
     * 该发票对应的交易
     * @return tradeList
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "该发票对应的交易")
  
    public List<EinvTrade> getTradeList() {
      return tradeList;
    }
  
  
    public void setTradeList(List<EinvTrade> tradeList) {
      this.tradeList = tradeList;
    }
  
  
    public InvoiceElementModel tradeMatchResult(String tradeMatchResult) {
      
      this.tradeMatchResult = tradeMatchResult;
      return this;
    }
  
     /**
     * 交易匹配结果
     * @return tradeMatchResult
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "交易匹配结果")
  
    public String getTradeMatchResult() {
      return tradeMatchResult;
    }
  
  
    public void setTradeMatchResult(String tradeMatchResult) {
      this.tradeMatchResult = tradeMatchResult;
    }
  
    /**
     * A container for additional, undeclared properties.
     * This is a holder for any undeclared properties as specified with
     * the 'additionalProperties' keyword in the OAS document.
     */
    private Map<String, Object> additionalProperties;
  
    /**
     * Set the additional (undeclared) property with the specified name and value.
     * If the property does not already exist, create it otherwise replace it.
     *
     * @param key name of the property
     * @param value value of the property
     * @return the InvoiceElementModel instance itself
     */
    public InvoiceElementModel putAdditionalProperty(String key, Object value) {
      if (this.additionalProperties == null) {
          this.additionalProperties = new HashMap<String, Object>();
      }
      this.additionalProperties.put(key, value);
      return this;
    }
  
    /**
     * Return the additional (undeclared) property.
     *
     * @return a map of objects
     */
    public Map<String, Object> getAdditionalProperties() {
      return additionalProperties;
    }
  
    /**
     * Return the additional (undeclared) property with the specified name.
     *
     * @param key name of the property
     * @return an object
     */
    public Object getAdditionalProperty(String key) {
      if (this.additionalProperties == null) {
          return null;
      }
      return this.additionalProperties.get(key);
    }
  
  
    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (o == null || getClass() != o.getClass()) {
        return false;
      }
      InvoiceElementModel invoiceElementModel = (InvoiceElementModel) o;
      return Objects.equals(this.expenseStatus, invoiceElementModel.expenseStatus) &&
          Objects.equals(this.extendFields, invoiceElementModel.extendFields) &&
          Objects.equals(this.fakeCode, invoiceElementModel.fakeCode) &&
          Objects.equals(this.fileType, invoiceElementModel.fileType) &&
          Objects.equals(this.hasPdfFile, invoiceElementModel.hasPdfFile) &&
          Objects.equals(this.hasRisk, invoiceElementModel.hasRisk) &&
          Objects.equals(this.invoiceAmount, invoiceElementModel.invoiceAmount) &&
          Objects.equals(this.invoiceCode, invoiceElementModel.invoiceCode) &&
          Objects.equals(this.invoiceDate, invoiceElementModel.invoiceDate) &&
          Objects.equals(this.invoiceImgUrl, invoiceElementModel.invoiceImgUrl) &&
          Objects.equals(this.invoiceKind, invoiceElementModel.invoiceKind) &&
          Objects.equals(this.invoiceNo, invoiceElementModel.invoiceNo) &&
          Objects.equals(this.invoiceStatus, invoiceElementModel.invoiceStatus) &&
          Objects.equals(this.isvContact, invoiceElementModel.isvContact) &&
          Objects.equals(this.isvName, invoiceElementModel.isvName) &&
          Objects.equals(this.logoUrl, invoiceElementModel.logoUrl) &&
          Objects.equals(this.mName, invoiceElementModel.mName) &&
          Objects.equals(this.outTaxAmount, invoiceElementModel.outTaxAmount) &&
          Objects.equals(this.payeeName, invoiceElementModel.payeeName) &&
          Objects.equals(this.payeeTaxNo, invoiceElementModel.payeeTaxNo) &&
          Objects.equals(this.payerName, invoiceElementModel.payerName) &&
          Objects.equals(this.payerTaxNo, invoiceElementModel.payerTaxNo) &&
          Objects.equals(this.pdfUrl, invoiceElementModel.pdfUrl) &&
          Objects.equals(this.source, invoiceElementModel.source) &&
          Objects.equals(this.tradeList, invoiceElementModel.tradeList) &&
          Objects.equals(this.tradeMatchResult, invoiceElementModel.tradeMatchResult)&&
          Objects.equals(this.additionalProperties, invoiceElementModel.additionalProperties);
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(expenseStatus, extendFields, fakeCode, fileType, hasPdfFile, hasRisk, invoiceAmount, invoiceCode, invoiceDate, invoiceImgUrl, invoiceKind, invoiceNo, invoiceStatus, isvContact, isvName, logoUrl, mName, outTaxAmount, payeeName, payeeTaxNo, payerName, payerTaxNo, pdfUrl, source, tradeList, tradeMatchResult, additionalProperties);
    }
  
    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder();
      sb.append("class InvoiceElementModel {\n");
      sb.append("    expenseStatus: ").append(toIndentedString(expenseStatus)).append("\n");
      sb.append("    extendFields: ").append(toIndentedString(extendFields)).append("\n");
      sb.append("    fakeCode: ").append(toIndentedString(fakeCode)).append("\n");
      sb.append("    fileType: ").append(toIndentedString(fileType)).append("\n");
      sb.append("    hasPdfFile: ").append(toIndentedString(hasPdfFile)).append("\n");
      sb.append("    hasRisk: ").append(toIndentedString(hasRisk)).append("\n");
      sb.append("    invoiceAmount: ").append(toIndentedString(invoiceAmount)).append("\n");
      sb.append("    invoiceCode: ").append(toIndentedString(invoiceCode)).append("\n");
      sb.append("    invoiceDate: ").append(toIndentedString(invoiceDate)).append("\n");
      sb.append("    invoiceImgUrl: ").append(toIndentedString(invoiceImgUrl)).append("\n");
      sb.append("    invoiceKind: ").append(toIndentedString(invoiceKind)).append("\n");
      sb.append("    invoiceNo: ").append(toIndentedString(invoiceNo)).append("\n");
      sb.append("    invoiceStatus: ").append(toIndentedString(invoiceStatus)).append("\n");
      sb.append("    isvContact: ").append(toIndentedString(isvContact)).append("\n");
      sb.append("    isvName: ").append(toIndentedString(isvName)).append("\n");
      sb.append("    logoUrl: ").append(toIndentedString(logoUrl)).append("\n");
      sb.append("    mName: ").append(toIndentedString(mName)).append("\n");
      sb.append("    outTaxAmount: ").append(toIndentedString(outTaxAmount)).append("\n");
      sb.append("    payeeName: ").append(toIndentedString(payeeName)).append("\n");
      sb.append("    payeeTaxNo: ").append(toIndentedString(payeeTaxNo)).append("\n");
      sb.append("    payerName: ").append(toIndentedString(payerName)).append("\n");
      sb.append("    payerTaxNo: ").append(toIndentedString(payerTaxNo)).append("\n");
      sb.append("    pdfUrl: ").append(toIndentedString(pdfUrl)).append("\n");
      sb.append("    source: ").append(toIndentedString(source)).append("\n");
      sb.append("    tradeList: ").append(toIndentedString(tradeList)).append("\n");
      sb.append("    tradeMatchResult: ").append(toIndentedString(tradeMatchResult)).append("\n");
      sb.append("    additionalProperties: ").append(toIndentedString(additionalProperties)).append("\n");
      sb.append("}");
      return sb.toString();
    }
  
    /**
     * Convert the given object to string with each line indented by 4 spaces
     * (except the first line).
     */
    private String toIndentedString(Object o) {
      if (o == null) {
        return "null";
      }
      return o.toString().replace("\n", "\n    ");
    }
  
  
    public static HashSet<String> openapiFields;
    public static HashSet<String> openapiRequiredFields;
  
    static {
      // a set of all properties/fields (JSON key names)
      openapiFields = new HashSet<String>();
      openapiFields.add("expense_status");
      openapiFields.add("extend_fields");
      openapiFields.add("fake_code");
      openapiFields.add("file_type");
      openapiFields.add("has_pdf_file");
      openapiFields.add("has_risk");
      openapiFields.add("invoice_amount");
      openapiFields.add("invoice_code");
      openapiFields.add("invoice_date");
      openapiFields.add("invoice_img_url");
      openapiFields.add("invoice_kind");
      openapiFields.add("invoice_no");
      openapiFields.add("invoice_status");
      openapiFields.add("isv_contact");
      openapiFields.add("isv_name");
      openapiFields.add("logo_url");
      openapiFields.add("m_name");
      openapiFields.add("out_tax_amount");
      openapiFields.add("payee_name");
      openapiFields.add("payee_tax_no");
      openapiFields.add("payer_name");
      openapiFields.add("payer_tax_no");
      openapiFields.add("pdf_url");
      openapiFields.add("source");
      openapiFields.add("trade_list");
      openapiFields.add("trade_match_result");
  
      // a set of required properties/fields (JSON key names)
      openapiRequiredFields = new HashSet<String>();
    }
  
   /**
    * Validates the JSON Object and throws an exception if issues found
    *
    * @param jsonObj JSON Object
    * @throws IOException if the JSON Object is invalid with respect to InvoiceElementModel
    */
    public static void validateJsonObject(JsonObject jsonObj) throws IOException {
        if (jsonObj == null) {
          if (InvoiceElementModel.openapiRequiredFields.isEmpty()) {
            return;
          } else { // has required fields
            throw new IllegalArgumentException(String.format("The required field(s) %s in InvoiceElementModel is not found in the empty JSON string", InvoiceElementModel.openapiRequiredFields.toString()));
          }
        }
        if (jsonObj.get("expense_status") != null && !jsonObj.get("expense_status").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `expense_status` to be a primitive type in the JSON string but got `%s`", jsonObj.get("expense_status").toString()));
        }
        if (jsonObj.get("extend_fields") != null && !jsonObj.get("extend_fields").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `extend_fields` to be a primitive type in the JSON string but got `%s`", jsonObj.get("extend_fields").toString()));
        }
        if (jsonObj.get("fake_code") != null && !jsonObj.get("fake_code").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `fake_code` to be a primitive type in the JSON string but got `%s`", jsonObj.get("fake_code").toString()));
        }
        if (jsonObj.get("file_type") != null && !jsonObj.get("file_type").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `file_type` to be a primitive type in the JSON string but got `%s`", jsonObj.get("file_type").toString()));
        }
        if (jsonObj.get("invoice_amount") != null && !jsonObj.get("invoice_amount").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `invoice_amount` to be a primitive type in the JSON string but got `%s`", jsonObj.get("invoice_amount").toString()));
        }
        if (jsonObj.get("invoice_code") != null && !jsonObj.get("invoice_code").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `invoice_code` to be a primitive type in the JSON string but got `%s`", jsonObj.get("invoice_code").toString()));
        }
        if (jsonObj.get("invoice_date") != null && !jsonObj.get("invoice_date").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `invoice_date` to be a primitive type in the JSON string but got `%s`", jsonObj.get("invoice_date").toString()));
        }
        if (jsonObj.get("invoice_img_url") != null && !jsonObj.get("invoice_img_url").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `invoice_img_url` to be a primitive type in the JSON string but got `%s`", jsonObj.get("invoice_img_url").toString()));
        }
        if (jsonObj.get("invoice_kind") != null && !jsonObj.get("invoice_kind").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `invoice_kind` to be a primitive type in the JSON string but got `%s`", jsonObj.get("invoice_kind").toString()));
        }
        if (jsonObj.get("invoice_no") != null && !jsonObj.get("invoice_no").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `invoice_no` to be a primitive type in the JSON string but got `%s`", jsonObj.get("invoice_no").toString()));
        }
        if (jsonObj.get("invoice_status") != null && !jsonObj.get("invoice_status").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `invoice_status` to be a primitive type in the JSON string but got `%s`", jsonObj.get("invoice_status").toString()));
        }
        if (jsonObj.get("isv_contact") != null && !jsonObj.get("isv_contact").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `isv_contact` to be a primitive type in the JSON string but got `%s`", jsonObj.get("isv_contact").toString()));
        }
        if (jsonObj.get("isv_name") != null && !jsonObj.get("isv_name").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `isv_name` to be a primitive type in the JSON string but got `%s`", jsonObj.get("isv_name").toString()));
        }
        if (jsonObj.get("logo_url") != null && !jsonObj.get("logo_url").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `logo_url` to be a primitive type in the JSON string but got `%s`", jsonObj.get("logo_url").toString()));
        }
        if (jsonObj.get("m_name") != null && !jsonObj.get("m_name").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `m_name` to be a primitive type in the JSON string but got `%s`", jsonObj.get("m_name").toString()));
        }
        if (jsonObj.get("out_tax_amount") != null && !jsonObj.get("out_tax_amount").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `out_tax_amount` to be a primitive type in the JSON string but got `%s`", jsonObj.get("out_tax_amount").toString()));
        }
        if (jsonObj.get("payee_name") != null && !jsonObj.get("payee_name").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `payee_name` to be a primitive type in the JSON string but got `%s`", jsonObj.get("payee_name").toString()));
        }
        if (jsonObj.get("payee_tax_no") != null && !jsonObj.get("payee_tax_no").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `payee_tax_no` to be a primitive type in the JSON string but got `%s`", jsonObj.get("payee_tax_no").toString()));
        }
        if (jsonObj.get("payer_name") != null && !jsonObj.get("payer_name").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `payer_name` to be a primitive type in the JSON string but got `%s`", jsonObj.get("payer_name").toString()));
        }
        if (jsonObj.get("payer_tax_no") != null && !jsonObj.get("payer_tax_no").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `payer_tax_no` to be a primitive type in the JSON string but got `%s`", jsonObj.get("payer_tax_no").toString()));
        }
        if (jsonObj.get("pdf_url") != null && !jsonObj.get("pdf_url").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `pdf_url` to be a primitive type in the JSON string but got `%s`", jsonObj.get("pdf_url").toString()));
        }
        if (jsonObj.get("source") != null && !jsonObj.get("source").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `source` to be a primitive type in the JSON string but got `%s`", jsonObj.get("source").toString()));
        }
        JsonArray jsonArraytradeList = jsonObj.getAsJsonArray("trade_list");
        if (jsonArraytradeList != null) {
          // ensure the json data is an array
          if (!jsonObj.get("trade_list").isJsonArray()) {
            throw new IllegalArgumentException(String.format("Expected the field `trade_list` to be an array in the JSON string but got `%s`", jsonObj.get("trade_list").toString()));
          }
  
          // validate the optional field `trade_list` (array)
          for (int i = 0; i < jsonArraytradeList.size(); i++) {
            EinvTrade.validateJsonObject(jsonArraytradeList.get(i).getAsJsonObject());
          };
        }
        if (jsonObj.get("trade_match_result") != null && !jsonObj.get("trade_match_result").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `trade_match_result` to be a primitive type in the JSON string but got `%s`", jsonObj.get("trade_match_result").toString()));
        }
    }
  
    public static class CustomTypeAdapterFactory implements TypeAdapterFactory {
      @SuppressWarnings("unchecked")
      @Override
      public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
         if (!InvoiceElementModel.class.isAssignableFrom(type.getRawType())) {
           return null; // this class only serializes 'InvoiceElementModel' and its subtypes
         }
         final TypeAdapter<JsonElement> elementAdapter = gson.getAdapter(JsonElement.class);
         final TypeAdapter<InvoiceElementModel> thisAdapter
                          = gson.getDelegateAdapter(this, TypeToken.get(InvoiceElementModel.class));
  
         return (TypeAdapter<T>) new TypeAdapter<InvoiceElementModel>() {
             @Override
             public void write(JsonWriter out, InvoiceElementModel value) throws IOException {
               JsonObject obj = thisAdapter.toJsonTree(value).getAsJsonObject();
               obj.remove("additionalProperties");
               // serialize additonal properties
               if (value.getAdditionalProperties() != null) {
                 for (Map.Entry<String, Object> entry : value.getAdditionalProperties().entrySet()) {
                   if (entry.getValue() instanceof String)
                     obj.addProperty(entry.getKey(), (String) entry.getValue());
                   else if (entry.getValue() instanceof Number)
                     obj.addProperty(entry.getKey(), (Number) entry.getValue());
                   else if (entry.getValue() instanceof Boolean)
                     obj.addProperty(entry.getKey(), (Boolean) entry.getValue());
                   else if (entry.getValue() instanceof Character)
                     obj.addProperty(entry.getKey(), (Character) entry.getValue());
                   else {
                     obj.add(entry.getKey(), gson.toJsonTree(entry.getValue()).getAsJsonObject());
                   }
                 }
               }
               elementAdapter.write(out, obj);
             }
  
             @Override
             public InvoiceElementModel read(JsonReader in) throws IOException {
               JsonObject jsonObj = elementAdapter.read(in).getAsJsonObject();
               validateJsonObject(jsonObj);
               // store additional fields in the deserialized instance
               InvoiceElementModel instance = thisAdapter.fromJsonTree(jsonObj);
               for (Map.Entry<String, JsonElement> entry : jsonObj.entrySet()) {
                 if (!openapiFields.contains(entry.getKey())) {
                   if (entry.getValue().isJsonPrimitive()) { // primitive type
                     if (entry.getValue().getAsJsonPrimitive().isString())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsString());
                     else if (entry.getValue().getAsJsonPrimitive().isNumber())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsNumber());
                     else if (entry.getValue().getAsJsonPrimitive().isBoolean())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsBoolean());
                     else
                       throw new IllegalArgumentException(String.format("The field `%s` has unknown primitive type. Value: %s", entry.getKey(), entry.getValue().toString()));
                   } else { // non-primitive type
                     instance.putAdditionalProperty(entry.getKey(), gson.fromJson(entry.getValue(), HashMap.class));
                   }
                 }
               }
               return instance;
             }
  
         }.nullSafe();
      }
    }
  
   /**
    * Create an instance of InvoiceElementModel given an JSON string
    *
    * @param jsonString JSON string
    * @return An instance of InvoiceElementModel
    * @throws IOException if the JSON string is invalid with respect to InvoiceElementModel
    */
    public static InvoiceElementModel fromJson(String jsonString) throws IOException {
      return JSON.getGson().fromJson(jsonString, InvoiceElementModel.class);
    }
  
   /**
    * Convert an instance of InvoiceElementModel to an JSON string
    *
    * @return JSON string
    */
    public String toJson() {
      return JSON.getGson().toJson(this);
    }
  }
  
  